Dyfyniad APA

Cancro, R. (1971). Intelligence: Genetic and environmental influences. Grune & Stratton.

Dyfyniad Arddull Chicago

Cancro, Robert. Intelligence: Genetic and Environmental Influences. New York: Grune & Stratton, 1971.

Dyfyniad MLA

Cancro, Robert. Intelligence: Genetic and Environmental Influences. Grune & Stratton, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.